LG VX8560 - Page 73

LG Electronics Inc.
VX8560
4.2.1.4 Check DCN RF Tx SAW
Test Point
Test Point
Circuit Diagram
Circuit Diagram
Checking Flow
Checking Flow
RF_OUT
Waveform
Waveform
Figure 4.2.1.4
RF_IN fed up with CW signal
Check pin9,
at F105 . Referring to
Figure 4.2.1.4.
Is it similar?
Start
Replace F 105
RF Tx SAW is OK
YES
NO
RF_OUT
RF_IN
F105
TP1
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